diff --git a/src/cmd/test/main.go b/src/cmd/test/main.go
index 93b99a4..be83bdb 100644
--- a/src/cmd/test/main.go
+++ b/src/cmd/test/main.go
@@ -127,9 +127,9 @@ func main() {
 
 	e.Add(0, NewPlayer())
 	e.Add(1, &Debug{})
-	e.Add(100, gx.Rectangle{
-		W: 10000000,
-		H: 10000000,
+	e.Add(-1, gx.Rectangle{
+		W: 100,
+		H: 100,
 		T: gx.T(),
 		C: gx.Color{
 			gx.MaxColorV,
diff --git a/src/gx/rect.go b/src/gx/rect.go
index 5f5b6be..35fa080 100644
--- a/src/gx/rect.go
+++ b/src/gx/rect.go
@@ -49,7 +49,7 @@ func (r Rectangle) Draw(
 	e *Engine,
 	i *Image,
 ) {
-	fmt.Println("drawing the rectangle")
+	fmt.Println("drawing the rectangle:", r)
 	if r.S == nil {
 		img := NewImage(1, 1)
 		img.Set(0, 0, r.C)
@@ -58,7 +58,9 @@ func (r Rectangle) Draw(
 		t.S.X *= r.W
 		t.S.Y *= r.H
 		
+		rm := e.Camera().RealMatrix(e, true)
 		m := t.Matrix(e)
+		m.Concat(rm)
 		opts := &ebiten.DrawImageOptions{
 			GeoM: m,
 		}
diff --git a/src/gx/transform.go b/src/gx/transform.go
index 27986c6..080e7b0 100644
--- a/src/gx/transform.go
+++ b/src/gx/transform.go
@@ -14,7 +14,9 @@ type Transform struct {
 
 // Returns empty Transform.
 func T() Transform {
-	ret := Transform{}
+	ret := Transform{
+		S: Vector{1, 1},
+	}
 	return ret
 }